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The 12.7x42mm is a powerful big bore cartridge designed for use in AR style rifles. The brass case is essentially a lengthened 50 AE (1.650 long) with a rebated 7.62x39 style head. This brass case is designed to use a large magnum pistol primer.

 

.50 Beowulf®, Beowulf®, .50 Beo® and Beo® are registered trademarks of Alexander Industries Inc., and are in no way affiliated with Starline Brass®



  250 for $172.00
$0.69/each

  500 for $318.50
$0.64/each

  1000 for $616.50
$0.62/each

* Starline Brass does not sell any loaded ammunition. What you are purchasing are brass cases only and will need to be loaded into ammunition in order to be fired from a firearm.



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